QDirPrivate Class Reference

#include <qdir_p.h>

Inheritance diagram for QDirPrivate:

Public Functions
void	clearFileLists ()
bool	exists () const
void	initFileEngine ()
void	initFileLists (const QDir &dir) const
	QDirPrivate (const QString &path, const QStringList &nameFilters_=QStringList(), QDir::SortFlags sort_=QDir::SortFlags(QDir::Name|QDir::IgnoreCase), QDir::Filters filters_=QDir::AllEntries)
	QDirPrivate (const QDirPrivate &copy)
void	resolveAbsoluteEntry () const
void	setPath (const QString &path)
Public Functions inherited from QSharedData
	QSharedData ()
	Constructs a QSharedData object with a reference count of 0. More...
	QSharedData (const QSharedData &)
	Constructs a QSharedData object with reference count 0. More...

Static Public Functions
static QChar	getFilterSepChar (const QString &nameFilter)
static void	sortFileList (QDir::SortFlags, QFileInfoList &, QStringList *, QFileInfoList *)
static QStringList	splitFilters (const QString &nameFilter, QChar sep=0)

Public Variables
QFileSystemEntry	absoluteDirEntry
QFileSystemEntry	dirEntry
QScopedPointer< QAbstractFileEngine >	fileEngine
QFileInfoList	fileInfos
bool	fileListsInitialized
QStringList	files
QDir::Filters	filters
QFileSystemMetaData	metaData
QStringList	nameFilters
QDir::SortFlags	sort
Public Variables inherited from QSharedData
QAtomicInt	ref

Detailed Description

Definition at line 50 of file qdir_p.h.

Constructors and Destructors

QDirPrivate() [1/2]

QDirPrivate::QDirPrivate	(	const QString &	path,
		const QStringList &	nameFilters_ = QStringList(),
		QDir::SortFlags	sort_ = QDir::SortFlags(QDir::Name | QDir::IgnoreCase),
		QDir::Filters	filters_ = QDir::AllEntries
	)

Definition at line 89 of file qdir.cpp.

    : QSharedData()
    , nameFilters(nameFilters_)
    , sort(sort_)
    , filters(filters_)
#ifdef QT3_SUPPORT
    , filterSepChar(0)
    , matchAllDirs(false)
#endif
    , fileListsInitialized(false)
{
    setPath(path.isEmpty() ? QString::fromLatin1(".") : path);

    bool empty = nameFilters.isEmpty();
    if (!empty) {
        empty = true;
        for (int i = 0; i < nameFilters.size(); ++i) {
            if (!nameFilters.at(i).isEmpty()) {
                empty = false;
                break;
            }
        }
    }
    if (empty)
        nameFilters = QStringList(QString::fromLatin1("*"));
}

QDirPrivate() [2/2]

QDirPrivate::QDirPrivate

(

const QDirPrivate &

copy

)

Definition at line 116 of file qdir.cpp.

    : QSharedData(copy)
    , nameFilters(copy.nameFilters)
    , sort(copy.sort)
    , filters(copy.filters)
#ifdef QT3_SUPPORT
    , filterSepChar(copy.filterSepChar)
    , matchAllDirs(copy.matchAllDirs)
#endif
    , fileListsInitialized(false)
    , dirEntry(copy.dirEntry)
    , metaData(copy.metaData)
{
}

Functions

clearFileLists()

void QDirPrivate::clearFileLists ( )

inline

Definition at line 187 of file qdir.cpp.

Referenced by QDir::nameFiltersFromString(), QDir::refresh(), QDir::setFilter(), QDir::setNameFilters(), setPath(), and QDir::setSorting().

{
    fileListsInitialized = false;
    files.clear();
    fileInfos.clear();
}

exists()

bool QDirPrivate::exists

(

)

const

Definition at line 131 of file qdir.cpp.

Referenced by QDir::cd(), and QDir::exists().

{
    if (fileEngine.isNull()) {
        QFileSystemEngine::fillMetaData(dirEntry, metaData,
                QFileSystemMetaData::ExistsAttribute | QFileSystemMetaData::DirectoryType); // always stat
        return metaData.exists() && metaData.isDirectory();
    }
    const QAbstractFileEngine::FileFlags info =
        fileEngine->fileFlags(QAbstractFileEngine::DirectoryType
                                       | QAbstractFileEngine::ExistsFlag
                                       | QAbstractFileEngine::Refresh);
    if (!(info & QAbstractFileEngine::DirectoryType))
        return false;
    return info & QAbstractFileEngine::ExistsFlag;
}

getFilterSepChar()

QChar QDirPrivate::getFilterSepChar ( const QString &  nameFilter )

inlinestatic

Definition at line 148 of file qdir.cpp.

Referenced by QDir::nameFiltersFromString(), and splitFilters().

{
    QChar sep(QLatin1Char(';'));
    int i = nameFilter.indexOf(sep, 0);
    if (i == -1 && nameFilter.indexOf(QLatin1Char(' '), 0) != -1)
        sep = QChar(QLatin1Char(' '));
    return sep;
}

initFileEngine()

void QDirPrivate::initFileEngine ( )

inline

Definition at line 338 of file qdir.cpp.

Referenced by QDir::nameFiltersFromString(), QDir::refresh(), QDir::setFilter(), QDir::setNameFilters(), setPath(), and QDir::setSorting().

{
    fileEngine.reset(QFileSystemEngine::resolveEntryAndCreateLegacyEngine(dirEntry, metaData));
}

initFileLists()

void QDirPrivate::initFileLists ( const QDir &  dir ) const

inline

Definition at line 324 of file qdir.cpp.

Referenced by QDir::count(), QDir::entryInfoList(), QDir::entryList(), and QDir::operator[]().

{
    if (!fileListsInitialized) {
        QFileInfoList l;
        QDirIterator it(dir);
        while (it.hasNext()) {
            it.next();
            l.append(it.fileInfo());
        }
        sortFileList(sort, l, &files, &fileInfos);
        fileListsInitialized = true;
    }
}

resolveAbsoluteEntry()

void QDirPrivate::resolveAbsoluteEntry ( ) const

inline

Definition at line 194 of file qdir.cpp.

Referenced by QDir::absoluteFilePath(), QDir::absolutePath(), QDir::makeAbsolute(), and QDir::operator==().

{
    if (!absoluteDirEntry.isEmpty() || dirEntry.isEmpty())
        return;

    QString absoluteName;
    if (fileEngine.isNull()) {
        if (!dirEntry.isRelative() && dirEntry.isClean()) {
            absoluteDirEntry = dirEntry;
            return;
        }

        absoluteName = QFileSystemEngine::absoluteName(dirEntry).filePath();
    } else {
        absoluteName = fileEngine->fileName(QAbstractFileEngine::AbsoluteName);
    }

    absoluteDirEntry = QFileSystemEntry(QDir::cleanPath(absoluteName), QFileSystemEntry::FromInternalPath());
}

setPath()

void QDirPrivate::setPath ( const QString &  path )

inline

Definition at line 168 of file qdir.cpp.

Referenced by QDir::cd(), QDir::makeAbsolute(), QDir::operator=(), QDirPrivate(), and QDir::setPath().

{
    QString p = QDir::fromNativeSeparators(path);
    if (p.endsWith(QLatin1Char('/'))
            && p.length() > 1
#if defined(Q_OS_WIN) || defined(Q_OS_SYMBIAN)
        && (!(p.length() == 3 && p.at(1).unicode() == ':' && p.at(0).isLetter()))
#endif
    ) {
            p.truncate(p.length() - 1);
    }

    dirEntry = QFileSystemEntry(p, QFileSystemEntry::FromInternalPath());
    metaData.clear();
    initFileEngine();
    clearFileLists();
    absoluteDirEntry = QFileSystemEntry();
}

sortFileList()

void QDirPrivate::sortFileList ( QDir::SortFlags  sort, QFileInfoList &  l, QStringList *  names, QFileInfoList *  infos  )

inlinestatic

Definition at line 294 of file qdir.cpp.

Referenced by QDir::entryInfoList(), QDir::entryList(), and initFileLists().

{
    // names and infos are always empty lists or 0 here
    int n = l.size();
    if (n > 0) {
        if (n == 1 || (sort & QDir::SortByMask) == QDir::Unsorted) {
            if (infos)
                *infos = l;
            if (names) {
                for (int i = 0; i < n; ++i)
                    names->append(l.at(i).fileName());
            }
        } else {
            QScopedArrayPointer<QDirSortItem> si(new QDirSortItem[n]);
            for (int i = 0; i < n; ++i)
                si[i].item = l.at(i);
            qSort(si.data(), si.data() + n, QDirSortItemComparator(sort));
            // put them back in the list(s)
            if (infos) {
                for (int i = 0; i < n; ++i)
                    infos->append(si[i].item);
            }
            if (names) {
                for (int i = 0; i < n; ++i)
                    names->append(si[i].item.fileName());
            }
        }
    }
}

splitFilters()

QStringList QDirPrivate::splitFilters ( const QString &  nameFilter, QChar  sep = 0  )

inlinestatic

Definition at line 158 of file qdir.cpp.

Referenced by QDir::nameFiltersFromString().

{
    if (sep == 0)
        sep = getFilterSepChar(nameFilter);
    QStringList ret = nameFilter.split(sep);
    for (int i = 0; i < ret.count(); ++i)
        ret[i] = ret[i].trimmed();
    return ret;
}

Properties

absoluteDirEntry

QFileSystemEntry QDirPrivate::absoluteDirEntry

mutable

Definition at line 92 of file qdir_p.h.

Referenced by QDir::absoluteFilePath(), QDir::absolutePath(), QDir::makeAbsolute(), QDir::operator==(), resolveAbsoluteEntry(), and setPath().

dirEntry

QFileSystemEntry QDirPrivate::dirEntry

Definition at line 91 of file qdir_p.h.

Referenced by QDir::canonicalPath(), QDir::cd(), QDir::dirName(), QDir::entryInfoList(), QDir::entryList(), exists(), QDir::filePath(), initFileEngine(), QDir::isReadable(), QDir::isRelative(), QDir::isRoot(), QDir::operator==(), QDir::path(), QDirIterator::QDirIterator(), resolveAbsoluteEntry(), and setPath().

fileEngine

QScopedPointer<QAbstractFileEngine> QDirPrivate::fileEngine

Definition at line 85 of file qdir_p.h.

Referenced by QDir::canonicalPath(), exists(), initFileEngine(), QDir::isReadable(), QDir::isRelative(), QDir::isRoot(), QDir::makeAbsolute(), QDir::mkdir(), QDir::mkpath(), QDir::operator==(), QDirIterator::QDirIterator(), resolveAbsoluteEntry(), QDir::rmdir(), and QDir::rmpath().

fileInfos

QFileInfoList QDirPrivate::fileInfos

mutable

Definition at line 89 of file qdir_p.h.

Referenced by clearFileLists(), QDir::entryInfoList(), and initFileLists().

fileListsInitialized

bool QDirPrivate::fileListsInitialized

mutable

Definition at line 87 of file qdir_p.h.

Referenced by clearFileLists(), and initFileLists().

files

QStringList QDirPrivate::files

mutable

Definition at line 88 of file qdir_p.h.

Referenced by clearFileLists(), QDir::count(), QDir::entryList(), initFileLists(), and QDir::operator[]().

filters

QDir::Filters QDirPrivate::filters

Definition at line 78 of file qdir_p.h.

Referenced by QDir::entryInfoList(), QDir::entryList(), QDir::filter(), QDir::operator==(), QDirIterator::QDirIterator(), and QDir::setFilter().

metaData

QFileSystemMetaData QDirPrivate::metaData

mutable

Definition at line 93 of file qdir_p.h.

Referenced by QDir::canonicalPath(), exists(), initFileEngine(), QDir::isReadable(), QDir::refresh(), and setPath().

nameFilters

QStringList QDirPrivate::nameFilters

Definition at line 76 of file qdir_p.h.

Referenced by QDir::entryInfoList(), QDir::entryList(), QDir::nameFilters(), QDir::nameFiltersFromString(), QDir::operator==(), QDirIterator::QDirIterator(), QDirPrivate(), and QDir::setNameFilters().

sort

QDir::SortFlags QDirPrivate::sort

Definition at line 77 of file qdir_p.h.

Referenced by QDir::entryInfoList(), QDir::entryList(), initFileLists(), QDir::operator==(), QDir::setSorting(), and QDir::sorting().

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The documentation for this class was generated from the following files:

• /src/corelib/io/qdir_p.h
• /src/corelib/io/qdir.cpp